46169581 has 2 divisors, whose sum is σ = 46169582. Its totient is φ = 46169580.

The previous prime is 46169531. The next prime is 46169593. The reversal of 46169581 is 18596164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42367081 + 3802500 = 6509^2 + 1950^2 .

It is a cyclic number.

It is not a de Polignac number, because 46169581 - 2¹¹ = 46167533 is a prime.

It is a super-2 number, since 2×46169581² = 4263260419431122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46169531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23084790 + 23084791.

It is an arithmetic number, because the mean of its divisors is an integer number (23084791).

Almost surely, 2^46169581 is an apocalyptic number.

It is an amenable number.

46169581 is a deficient number, since it is larger than the sum of its proper divisors (1).

46169581 is an equidigital number, since it uses as much as digits as its factorization.

46169581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 46169581 is about 6794.8201595039. The cubic root of 46169581 is about 358.7445492015.

The spelling of 46169581 in words is "forty-six million, one hundred sixty-nine thousand, five hundred eighty-one".